The northern part of the park area covers the island of Bunaken, Manado Tua, Montehage, Siladen, Nain and Nain Kecil, and part of Tanjung Pisok coastal area. The southern part of the park cover part of the Tanjung Kelapa coast.
On land, these islands are rich in species of palm, sagu, woka, silar and coconut. Among the animal species that live on the land and the beaches are black-crested macaques (Macaca nigra nigra , Timor Deer (Cervus timorensis russa) and bear-cuscus (Ailurops ursinus ursinus).
The mangrove forest of the park contains, among others, Rhizophora sp., Sonneratia sp., Lumnitzera sp., and Bruguiera sp. This forest is also rich in species of crab, lobster, mollusc, and sea birds such as gulls, herons, sea doves, and storks.
The seaweed species that can be found here include Caulerpa spp. and Padina spp., while the dominant seagrasses, in particular in the island of Montehage and Nain are Thalassia hemprichii, Enhallus acoroides, and Thalassodendron ciliatum.
About 91 species of fish live in the waters of the park, among them being the Emperor Angelfish (Pomacanthus imperator), Almaco Jack (Seriola rivoliana), Spotted Seahorse (Hippocampus kuda), Yellowstripe snapper (Lutjanus kasmira), Four Saddle rock Cod (Ephinephelus spolotoceps), Pinkish Basslet (Pseudanthias hypselesoma), Two-lined Monocle Bream (Scolopsis bilineatus), etc., and species of mollusc such as The Great Clam (Tridacna gigas), Horned Helmet (Cassis cornuta), Pearly-chambered Nautili (Nautilus pompillius ), and Ascidians.
Declared by Minister of Forestry No. 730/Kpts-II/1991, October 15, 1991.
About 91 species of fish live in the waters of the park, among them being the Emperor Angelfish (Pomacanthus imperator), Almaco Jack (Seriola rivoliana), Spotted Seahorse (Hippocampus kuda), Yellowstripe snapper (Lutjanus kasmira), Four Saddle rock Cod (Ephinephelus spolotoceps), Pinkish Basslet (Pseudanthias hypselesoma), Two-lined Monocle Bream (Scolopsis bilineatus), etc., and species of mollusc such as The Great Clam (Tridacna gigas), Horned Helmet (Cassis cornuta), Pearly-chambered Nautili (Nautilus pompillius ), and Ascidians.Declared by Minister of Forestry No. 730/Kpts-II/1991, October 15, 1991.